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II-40CS - 1.69 Inch Spring Steel Compression Springs

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Estimated Lead Time

The II-40CS is a regular compression spring manufactured by Century Spring. It is made from Spring Steel and has no finish applied. This spring has a wire diameter of 0.11 inches, an outside diameter of 0.484 inches, and a free length of 1.69 inches. It has a spring rate of 366 lbs/inch and a maximum load capacity of 79 Pound Force. The II-40CS is a closed and ground-end spring, ensuring secure fitment. This standard compression spring is suitable for various applications where reliable spring performance is required.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our springs, including the II-40CS, are proudly manufactured in the United States. We understand the importance of timely delivery, and our efficient shipping processes ensure that customers receive their springs promptly. With our substantial inventory, we strive to meet the demands of our customers and provide them with the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 1.69 in
Inside Diameter 0.264 in
Material Spring Steel
Outside Diameter 0.484 in
Part Type Standard
Rate 366 lbs/in
SKU II-40CS
Solid Length 1.43 in
Suggested Max Deflection 0.22 in
Suggested Max Load 79 lbf
Total Coils 13
Wire Diameter 0.11 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed & Ground
Finish None
Free Length 42.93 mm
Inside Diameter 6.71 mm
Material Spring Steel
Outside Diameter 12.29 mm
Part Type Standard
Rate 64.09 N/mm
SKU II-40CS
Solid Length 36.32 mm
Suggested Max Deflection 5.59 mm
Suggested Max Load 351.39 N
Total Coils 13
Wire Diameter 2.79 mm